@misc{kobayashi2022parker,
  title={Parker Bound and Monopole Pair Production from Primordial Magnetic Fields},
  author={Takeshi Kobayashi and Daniele Perri},
  year={2022},
  eprint={2207.08246},
  archivePrefix={arXiv},
  primaryClass={hep-ph},
  doi={10.1103/PhysRevD.106.063016},
  url={https://arxiv.org/abs/2207.08246}
}